#include<bits/stdc++.h>
#define ll long long
using namespace std;
ll n,a,f[100005],maxa=-1,ans;
int main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    for(ll i=1;i<=n;i++)
    {
        cin>>a;
        maxa=max(a,maxa);
        f[a]++;
    }
    for(ll i=1;i<=maxa;i++)
        if(f[i]>ans)
            ans=f[i];
    cout<<ans;
    return 0;
}